ok so i was reading a article in make magazine on how to built a atari 2600pc into a mame emulator. so i decided to put mame on my htpc, but i was wondering if any one knows where i can get free games like mario bros pacman all those good old games we(ppl in my generation) use to play. if any one knows of a site were i can dl them for free and not have to pay the 20-30 bucks to get them?